<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>jQuery实现苹果Dock样式的菜单DEMO演示</title>
    <style type="text/css">
        * {
            margin: 0;
            padding: 0;
        }

        #wrapper {
            position: absolute;
            bottom: 0;
            text-align: center;
            width: 100%;
        }
    </style>
    <script type="text/javascript">
        window.onload = function () {
            document.onmousemove = function (ev) {
                var oevent = ev || event;
                var aimg = document.getElementsByTagName('img');
                var odiv = document.getElementById('wrapper');
                for (var i = 0; i < aimg.length; i++) {
                    var x = aimg[i].offsetLeft + aimg[i].offsetWidth / 2;
                    var y = aimg[i].offsetTop + odiv.offsetTop + aimg[i].offsetHeight / 2;
                    var a = x - oevent.clientX;
                    var b = y - oevent.clientY;
                    var dis = parseInt(Math.sqrt(a * a + b * b));
                    var scale = 1 - dis / 200;
                    if (scale < 0.5) {
                        scale = 0.5;
                    }
                    aimg[i].width = scale * 128;

                }
            }
        }
    </script>
</head>
<body>
<div id="wrapper">
    <img src="../images/1.jpg" width="64">
    <img src="../images/1.jpg" width="64">
    <img src="../images/1.jpg" width="64">
    <img src="../images/1.jpg" width="64">
    <img src="../images/1.jpg" width="64">
</div>


</body>
</html>